What Is the Earth's Atmosphere Composition & Temperature?
It is thicker at the equator, between 18 and 20 kilometers (11 and 12 miles). At the poles the atmospheric thickness is about 6 kilometers (4 miles). Global average temperatures decrease from 15 degrees Celsius (59 degrees Fahrenheit) on the surface to ...
What is an astronomical unit?
It is approximately 8 light-minutes. More exactly, one astronomical ... sun for the year, in January – it’s about 0.983 AU from the sun. When our planet swings out to aphelion – its farthest point, in July – we’re about 1.017 AU away from the ...
Tesla Roadster Breaks EV World Record: 313 Miles on Single Charge (501 KM)
6 km), with the car showing 38 miles (61 km) left on the battery. The Tesla's 53 kWh lithium-ion battery was rated at 244 miles with the EPA's methodology. Above: "The security seal was applied to the charge port door when we started the journey.
Are Ultra-Distance Athletes Special?
only recognizes world records up to 100 km (a little over 62 miles), and the best time for 100 miles is 11:28:03 by Oleg Kharitonov, set in 2002. Olsen’s average pace was just under 7:12 per mile, Kharitonov’s was just under 6:53. How are these men and ...
Bombings kill 53 in south and central Iraq
BAGHDAD (AP) — A wave of car bombings and other attacks in Iraq killed at least 53 people in mostly Shiite-majority ... Sunday's deadliest attack was in the city of Hillah, 95 kilometers (60 miles) south of Baghdad, where a car bomb near ...